Proceedings of the National Academy of Sciences USA 109: 6072-6077 (April 17, 2012)
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Proceedings of the National Academy of Sciences USA 109: 6072-6077
RNA ligase RtcB splices 3′-phosphate and 5′-OH ends via covalent RtcB-(histidinyl)-GMP and 
polynucleotide-(3′)pp(5′)G intermediates
Anupam K. Chakravartya, Roman Subbotin, Brian T. Chait and
Stewart Shuman
